Unraveling the neutral and polar lipidome of Nordic brown macroalgae: A sustainable source of functional lipids
Food Chemistry,
Год журнала:
2024,
Номер
459, С. 140415 - 140415
Опубликована: Июль 14, 2024
Brown
macroalgae
represent
a
sustainable
and
abundant
source
of
lipids
with
acknowledged
functional
health
benefits.
Nonetheless,
lipidome
has
been
poorly
unraveled
due
to
complex
structural
chemical
diversity.
In
this
study,
comprehensive
lipidomic
analysis
was
performed
in
four
macroalgae:
Saccharina
latissima,
Fucus
vesiculosus,
serratus
the
invasive
Sargassum
muticum,
using
HILIC-C30RP-HRMS.
Neutral
(tri-,
di-glycerides)
comprised
72–82%
total
(TL)
highly
unsaturation
profile
(27–49%
depending
on
species).
The
polar
glycolipids,
phospholipids,
betaine
sphingolipids
varied
content
among
macroalgae.
S.
latissima
displayed
greatest
level
glycolipids
(23%
TL),
by
contrast
dominance
long-chain
polyunsaturated
(10–18%
TL)
other
species,
particularly
muticum.
Phospholipids
were
detected
low
abundance
(<1.7%
TL).
This
study
elevated
potential
brown
as
an
emerging
reservoir
bioactive
nutritional
relevance.
Язык: Английский
Algal Adaptation to Environmental Stresses: Lipidomics Research
International Journal of Plant Biology,
Год журнала:
2024,
Номер
15(3), С. 719 - 732
Опубликована: Июль 22, 2024
Algal
lipidomics
is
a
new
field
of
research
that
gaining
increasing
popularity.
The
use
high-performance
liquid
chromatography–mass
spectrometry
(HPLC-MS)
has
made
it
possible
to
accurately
determine
the
structure
each
lipid
molecule
in
sample.
Since
algae
are
considered
as
promising
source
various
compounds
with
pharmacological
and
biotechnological
potential,
including
bioactive
lipids
polyunsaturated
fatty
acids,
this
group
organisms
particular
interest.
lipidome
high
plasticity,
which
due
influence
abiotic
biotic
environmental
factors,
observed
changes
composition
are,
rule,
adaptive
reactions.
This
review
examines
current
algal
lipidomics,
discusses
results
studying
such
temperature,
light
intensity,
nutrient
concentration,
epi-
endophytic
infections
on
lipidome,
seasonal
geographical
plasticity
lipidome;
questions
about
adaptation
mechanisms
at
level
individual
molecular
species
considered,
gaps
area
noted.
Язык: Английский
Revealing the polar lipidome, pigment profiles, and antioxidant activity of the giant unicellular green alga, Acetabularia acetabulum
Journal of Phycology,
Год журнала:
2023,
Номер
59(5), С. 1025 - 1040
Опубликована: Июль 23, 2023
Marine
algae
are
one
of
the
most
important
sources
high-value
compounds
such
as
polar
lipids,
omega-3
fatty
acids,
photosynthetic
pigments,
or
secondary
metabolites
with
interesting
features
for
different
niche
markets.
Acetabularia
acetabulum
is
a
macroscopic
green
single-celled
alga,
single
nucleus
hosted
in
rhizoid.
This
alga
studied
dasycladalean
species
and
represents
an
model
system
cell
biology
studies.
However,
its
lipidome
pigment
profile
have
been
overlooked.
Total
lipid
extracts
were
analyzed
using
hydrophilic
interaction
liquid
chromatography-high
resolution
mass
spectrometry
(HILIC-HRMS),
tandem
(MS/MS),
high-performance
chromatography
(HPLC).
The
antioxidant
capacity
was
tested
DPPH
ABTS
assays.
Lipidomics
identified
16
classes,
corresponding
to
glycolipids,
betaine
phospholipids,
sphingolipids,
total
191
species,
some
them
recognized
by
their
bioactivities.
abundant
lipids
glycolipids.
Lipid
classes
less
identified,
diacylglyceryl-carboxyhydroxymethylcholine
(DGCC)
hexosylceramide
(HexCer).
A.
comprised
carotenoids
(17.19%),
namely
cis-neoxanthin,
violaxanthin,
lutein
β,β-carotene,
chlorophylls
b
(82.81%).
showed
high
activity
promoting
50%
inhibition
(IC50
)
concentrations
57.91
±
1.20
μg
·
mL-1
(438.18
8.95
μmol
Trolox
g-1
lipid)
20.55
0.60
assays
(918.56
27.55
lipid).
study
demonstrates
potential
source
natural
bioactive
molecules
compounds.
Язык: Английский